Ajout : patterne CommandBuilder

src/command/command_sequence.rs

@@ -16,7 +16,7 @@ impl CommandSequence {
 
     pub fn add(&mut self, command: impl Command + 'static) {
         if self.next_command.is_none() {
-            self.next_command = Some(Box::new(CommandSequence::new(command)));
+            self.next_command = Some(Box::new(Self::new(command)));
         } else {
             self.next_command.as_mut().unwrap().add(command);
         }

src/command/mod.rs

@@ -1,3 +1,4 @@
+pub mod command_builder;
 pub mod command_sequence;
 pub mod unix_program;
 

src/command/unix_program.rs

@@ -7,7 +7,8 @@ pub struct UnixProgram {
 }
 
 impl UnixProgram {
-    pub fn new(mut argv: Vec<String>) -> Self {
+    pub fn new(argv: &Vec<String>) -> Self {
+        let mut argv = argv.clone();
         let program = argv.remove(0);
         let mut command = std::process::Command::new(&program);
         command.args(argv);

src/parser.rs

@@ -1,14 +1,12 @@
+use crate::command::command_builder::CommandBuilder;
 use crate::command::command_sequence::CommandSequence;
-use crate::command::unix_program::UnixProgram;
 
 pub fn parse_command_line(line: String) -> Option<CommandSequence> {
     let argv: Vec<String> = line.split_whitespace().map(|s| s.to_string()).collect();
 
     if !argv.is_empty() {
-        let command = UnixProgram::new(argv);
+        let command = CommandBuilder::new().argv(argv).build();
-        let command_sequence = CommandSequence::new(command);
+        Some(CommandSequence::new(command))
-
-        Some(command_sequence)
     } else {
         None
     }